| 摘要 |
<p>A micro-bubble generating nozzle comprising an introduction unit (1) for pressurized liquid and gas, a cylindrical bubble generating space (2), a pressurizing liquid introducing hole (4) and a gas introducing hole (5) formed in the introduction unit (1) and opened to the bubble generating space (2), the pressurized liquid introducing hole (4) being opened in the end face of the introducing unit (1) and the gas introducing hole (5) being opened in the side face of the introduction unit (1), and a regulating valve (7) disposed in a gas introducing tube (6) communicating with the gas introducing hole (5), for regulating a gas introducing amount. Pressurized liquid introduced into the bubble generating space (2) from the opening of the pressurized liquid introducing hole (4) is discharged into the space under a high pressure to cause a separation region. The gas introduced from the gas introducing hole (5) is dispersed into discharged water current as micro-bubbles (fine bubbles) due to this separation phenomenon, the dispersion amount and size of the micro-bubbles being properly regulated by regulating the opening of the gas introduction amount regulating valve (7).</p> |
